.navbar-header .navbar-brand img {
	position: relative;
    top: -12px;
}
.navbar .person-picture {
	width: 30px;
}
/** 菜单导航 **/
.nav-menu {
	height: 250px;
	position: relative;
	background: url('./img/navmenu/nav_bg.png');
}
.nav-menu h3.course-name {
	position: absolute;
    margin: 0;
    top: 100px;
    color: #fff;
    font-size: 50px;
    left: 460px;
}
.nav-menu .nav {
	position: absolute;
	bottom: 10px;left: 460px;
}
.nav-menu .nav li {
	list-style: none;
	float: left;
	margin-right: 25px;
	color: #fff;
}
.nav-menu .nav li.active {
	color: #fbce53;
}
.nav-menu .nav li img {
	background: url(img/navmenu/course_notice.png);
	background-size: 56px 40px;
	width: 56px;height: 40px;
	margin-bottom: 5px;
}
.nav-menu .nav li span {
	display: block;
	text-align: center;
}
.nav-menu .nav li.course-notice img {
	background: url(img/navmenu/course_notice.png);
}

/** 课程导航 **/
.nav-course {
	position: absolute;
	left: 210px;
	top: 100px;
}
.nav-course > .list-group {
	width: 210px;
}
.nav-course > .list-group .list-group-item {
	padding: 19px 15px;
}
.nav-course > .list-group .list-group-item:last-child {
	text-decoration: underline;
}
.page-content {
	margin-left: 450px;
	width: 700px;
}